linux-kernel - [PATCH 3.14 23/42] Bluetooth: Ignore isochronous endpoints for Intel USB bootloader

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Date:	Sun, 26 Apr 2015 16:01:42 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Marcel Holtmann <marcel@...tmann.org>,
	Johan Hedberg <johan.hedberg@...el.com>
Subject: [PATCH 3.14 23/42] Bluetooth: Ignore isochronous endpoints for Intel USB bootloader

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marcel Holtmann <marcel@...tmann.org>

commit d92f2df0565ea04101d6ac04bdc10feeb1d93c94 upstream.

The isochronous endpoints are not valid when the Intel Bluetooth
controller boots up in bootloader mode. So just mark these endpoints
as broken and then they will not be configured.

Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/bluetooth/btusb.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -121,7 +121,8 @@ static const struct usb_device_id btusb_
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
 
 	/* Intel Bluetooth USB Bootloader (RAM module) */
-	{ USB_DEVICE(0x8087, 0x0a5a), .driver_info = BTUSB_INTEL_BOOT },
+	{ USB_DEVICE(0x8087, 0x0a5a),
+	  .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
 
 	{ }	/* Terminating entry */
 };


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